25173233 has 4 divisors (see below), whose sum is σ = 26498160. Its totient is φ = 23848308.

The previous prime is 25173229. The next prime is 25173257. The reversal of 25173233 is 33237152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25173233 - 2² = 25173229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25173433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662435 + ... + 662472.

It is an arithmetic number, because the mean of its divisors is an integer number (6624540).

Almost surely, 2^25173233 is an apocalyptic number.

It is an amenable number.

25173233 is a deficient number, since it is larger than the sum of its proper divisors (1324927).

25173233 is a wasteful number, since it uses less digits than its factorization.

25173233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324926.

The product of its digits is 3780, while the sum is 26.

The square root of 25173233 is about 5017.2933938529. The cubic root of 25173233 is about 293.0756016399.

The spelling of 25173233 in words is "twenty-five million, one hundred seventy-three thousand, two hundred thirty-three".